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Finding the Fourth Proportional to 459,877.60, 690,603.60 and 249,925.60

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Solution

The fourth proportional to 459,877.60, 690,603.60 and 249,925.60 is: 375,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,877.60 : 690,603.60 = 249,925.60 : x
  2. Step 2: Convert to fraction form
    459,877.60/690,603.60 = 249,925.60/x
  3. Step 3: Cross multiply
    459,877.60x = 690,603.60 × 249,925.60
  4. Step 4: Simplify right side
    459,877.60x = 172,599,519,092.16
  5. Step 5: Solve for x
    x = 172,599,519,092.16/459,877.60
  6. Step 6: Final answer
    x = 375,316.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.